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Pulmonary Arteries of Superior Lobe of Left Lung
Cardiovascular System

Pulmonary Arteries of Superior Lobe of Left Lung

Arteriae pulmonalis lobi superioris pumonis sinistri

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Description

The superior lobar artery of the left lung is a branch of the left pulmonary artery that supplies the superior lobe of the left lung. It gives rise to three segmental arteries distally, the apical and posterior segmental arteries (via the apicoposterior segmental artery) and the anterior segmental artery (Lee et al., 1991). The lingular artery also originates from the superior lobar artery of the left lung.

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References

Lee, K. S., Bae, W. K., Lee, B. H., Kim, I. Y. and Choi, E. W. (1991) 'Bronchovascular anatomy of the upper lobes: evaluation with thin-section CT', Radiology, 181(3), pp. 765-72.

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Artery

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When the artery is occluded blood is forced through the collateral vessels, drastically increasing fluid shear stress and triggering an inflammatory response which drives vessel remodeling.

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